.btn-paper{ 
    -fx-background-color: #0000FF;
}

.btn-paper:hover {
    -fx-background-color: #6666FF;
}

.btn-plastic{ 
    -fx-background-color: #FFFF00;
}

.btn-plastic:hover {
    -fx-background-color: #FFFEB3;
}

.btn-glass{ 
    -fx-background-color:  #16BA00;
}

.btn-glass:hover {
    -fx-background-color:  #1EF002;
}

.btn-undifferentiated{ 
    -fx-background-color:  #bbbbbb;
}

.btn-undifferentiated:hover {
    -fx-background-color:  #cccccc;
}

.btn-aluminium{ 
    -fx-background-color:  #ff0000;
}

.btn-aluminium:hover {
    -fx-background-color:  #ff6666;
}

.btn-organic{ 
    -fx-background-color:  #BF740A;
}

.btn-organic:hover {
    -fx-background-color:  #E3B16B;
}

.btn-save{ 
    -fx-background-color:  #16BA00;
}


.btn-save:hover{ 
    -fx-background-color:  #1EF002;
}

.btn-close{ 
    -fx-background-color:  #ff0000;
}

.btn-close:hover {
    -fx-background-color:  #ff6666;
}